1 in 4 former NFL players may have CTE, new study says

At least 1 in 4 ex-NFL players who died from 2016 to 2021 had CTE, study finds

At least 25% of ex-NFL players who died between 2016 and 2021 had chronic traumatic encephalopathy, or CTE, a study released Tuesday showed. Dr. Robert C. Cantu, founding member and medical director for the Concussion and CTE Foundation, joins CBS News to discuss.

1 in 4 former NFL players may have CTE, new study says

Researchers analyzed 1,712 former NFL players who died between 2008 and 2021.

Study suggests at least 1 in 4 former NFL players may have CTE

At least 1 in 4 former NFL players who died between 2016 and 2021 may have had CTE, according to a new study published Monday in The BMJ.

Study suggests at least 1 in 4 former NFL players may have CTE

At least 1 in 4 former NFL players who died between 2016 and 2021 may have had CTE, according to a new study published Monday in The BMJ.

New Study: 1 In 4 NFL Players Had CTE At Death

A new BMJ study offers the first population-based CTE prevalence estimate for NFL players, finding a minimum of 25% among those who died from 2016-2021.

What is CTE, and how many former NFL players have been diagnosed with it?

So far, the degenerative brain disease has only been diagnosed after a person's death.

One in four NFL players could get CTE, alarming new study finds

Chronic traumatic encephalopathy is a progressive brain disease linked to repeated head impacts

At least 1 in 4 ex-NFL players who died from 2016 to 2021 had CTE, study finds

The rate is much higher than is seen in the general population. CTE is a brain disease linked to repeated blows to the head.

At Least 1 in 4 NFL Players Gets CTE, Major New Study Finds

The actual prevalence, researchers said, may be much higher.

At least one in four former NFL players in study suffered from degenerative brain disease CTE

215 of 235 donated brains showed signs of CTE Condition can only be diagnosed after death Symptoms include problems with memory and mood At least one in four former NFL players who died between 2016 and 2021 was found to have had chronic ⁠traumatic encephalopathy (CTE), according to a study released on Tuesday. Out of the 878 former players who died during that time frame, 235 donated their brains for study, researchers said, with 215 ⁠of those donated brains ⁠found to have CTE, ​a degenerative disease that can only definitively be diagnosed after death. CTE is associated with repeated blow...

At least 1 in 4 ex-NFL players who died from 2016 to 2021 had CTE, study finds

Brain disease in dead NFL players 'higher than previously shown

A new study says at least one in four ex-NFL players who died between 2016 and 2021 had a degenerative brain disease but the true figure could be much higher.